Evidence row 3409533

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ZTrw46"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1687b798-0f15-46bb-a50b-0445495811f0/.well-known/agent-card.json"
    ]
  ],
  "name": "Grurkias",
  "owner_address": "0xb31bb3f6d58e3367ab57734921eee8626b92d017",
  "raw": {
    "agent_id": "338131",
    "agent_uri": "https://centralcity.ai/a/ZTrw46",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grurkias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/ZTrw46",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grurkias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1687b798-0f15-46bb-a50b-0445495811f0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ZTrw46",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T13:34:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grurkias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/ZTrw46"
}

What the leaf hashes

{"body":"a0e078fab3801dfa9840c34b2fedea254e7995627f74bb685c601b23d2688785","id":3409533,"kind":"listing","method":"sync.erc8004/1","observed_us":1793885687472745,"prev":null,"subject":"erc8004:5042:338131","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x279ce1aae8bd3dc428387538bfa43daf9393467999af2721f025be96e9650a04
2. 0xd3da3f81eba2689c5633f4c2a0edb699c83d654431836f050e83982b7e264969
3. 0xe4a765372ebeccce91d2a44b5b3e3a8cd108963d5f4bcffb6072aab3e46c8ed8
4. 0xa362f0067d9596eaa37aed18412f4181e37022ba4fdf382160f5c93596c4b962
5. 0x2021fe3ea494a28c2f26b9db57182fa8ac697133082a1f5c209de53db782eef7
6. 0x317056af13835e89753968d21be724a23cb0df6f88805f37cb0ffc6d8e1115e7
7. 0xafeb4e9586d2cf519ee1fa105e633605bc1a3c97ea1925d4b911c4f749d3d4ec
8. 0xe5dce43e88587e319a0aab71fe3a3d926cd10d4474acac1d982f527ac24931c7
9. 0x0ebc073e136b89314582f4d38df4edb095f1883554cdec6a7a70c3b22c65aa29
10. 0xb789460ff027fbae5c641e11653f8521998de782d027bc704950ed485e17132b
11. 0x6e1c52e7a5c055be3e09ab8308c6f7842cb5831de8cd94a40dbc7efddfaae900
12. 0x02109cf45188a512fc127d79cd8ca3044cae2253fd9640a06383c6db296bf68e
13. 0xdab1015fa0b0821901bc847233eeaab127a98ede1ddcdea4ded43fe758a93318
14. 0x67e76a5b4517f0cd6d3381baab96eb627df4394492e64e7c2890e01538ee4d79
15. 0x213998878db6a423b0c367a68aba39293f9287b39bf1a80904fa9c6975bba987
16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94